8378890240 has 144 divisors (see below), whose sum is σ = 23388183000. Its totient is φ = 2872590336.

The previous prime is 8378890231. The next prime is 8378890291. The reversal of 8378890240 is 420988738.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493411 + ... + 510109.

Almost surely, 2^8378890240 is an apocalyptic number.

8378890240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8378890240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11694091500).

8378890240 is an abundant number, since it is smaller than the sum of its proper divisors (15009292760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8378890240 is a wasteful number, since it uses less digits than its factorization.

8378890240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16740 (or 16713 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 8378890240 is about 91536.2782726062. The cubic root of 8378890240 is about 2031.0884373085.

The spelling of 8378890240 in words is "eight billion, three hundred seventy-eight million, eight hundred ninety thousand, two hundred forty".